Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung ta he snippets" » "chung ta code snippets", "chung tu he snippets", "chung cu he snippets", "chung vi he snippets", "chung tao he snippets", "chung tai he snippets", "chung ta ha snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("chung ta he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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